Categorization model of moving small-scale intensity enhancements in solar active regions B. M. Shergelashvili, E. Philishvili, S. Buitendag, S. Poedts and M. Khodachenko A&A, 662 (2022) A30 Published online: 06 June 2022 DOI: 10.1051/0004-6361/202142547